var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');

var index = require('./routes/index');
var users = require('./routes/users');
var api = require('./routes/api');
var admin = require('./routes/admin');
var upload = require('./routes/upload');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended: false}));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.all('*', function (req, res, next) {
    res.header('Access-Control-Allow-Origin', 'http://118.89.227.78:90');
    res.header('Access-Control-Allow-Headers', 'Content-Type');
    res.header("Access-Control-Allow-Credentials", true);
    res.header('Access-Control-Allow-Methods', 'PUT, POST, GET, DELETE, OPTIONS');
    next();
});

app.use(function (req, res, next) {
    if (req.method === "OPTIONS") {
        next();
    } else {
        let arr = req.originalUrl.split('/');
        console.log(arr[1])
        if (arr[1] === 'admin' && arr[2] !== 'user') {
            if (req.cookies.userId) {
                next()
            } else {
                res.status(401).json({
                    msg: 'need logIn'
                });
            }
        } else {
            next();
        }
    }
});


app.use('/', index);
app.use('/users', users);
app.use('/api', api);
app.use('/admin', admin);
app.use('/upload', upload);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
    var err = new Error('Not Found');
    err.status = 404;
    next(err);
});

// error handler
app.use(function (err, req, res, next) {
    // set locals, only providing error in development
    res.locals.message = err.message;
    res.locals.error = req.app.get('env') === 'development' ? err : {};

    // render the error page
    res.status(err.status || 500);
    res.render('error');
});

module.exports = app;
